<template>
<div class="loginDiv">
  <el-form :src="imgUrl" :model="ruleForm2" :rules="rules2" ref="ruleForm2" label-position="left" label-width="0px" class="demo-ruleForm login-container">
    <h3 class="title">系统登录</h3>
    <el-form-item prop="account">
      <el-input type="text" v-model="ruleForm2.account" auto-complete="off" placeholder="账号"></el-input>
    </el-form-item>
    <el-form-item prop="checkPass">
      <el-input type="password" v-model="ruleForm2.checkPass" auto-complete="off" placeholder="密码"></el-input>
    </el-form-item>
    <el-checkbox v-model="checked" checked class="remember">记住密码</el-checkbox>
    
    <el-form-item style="width:100%;">
      <el-button type="primary" style="width:100%;" @click.native.prevent="handleSubmit2" :loading="logining">登录</el-button>
      <!--<el-button @click.native.prevent="handleReset2">重置</el-button>-->
    </el-form-item>
    <!-- <template>
      <el-alert ref="alert" :v-model="showErr" :title="errMsg" :closable=false type="error" show-icon>
      </el-alert>
    </template> -->
  </el-form>
  </div>
</template>

<script>
  import { login, getSysMenuTree } from '../api/api';
  //import NProgress from 'nprogress'
  export default {
    data() {
      return {
        imgUrl :'../../static/timg.jpg',
        logining: false,
        ruleForm2: {
          account: 'admin',
          checkPass: '123456'
        },
        rules2: {
          account: [
            { required: true, message: '请输入账号', trigger: 'blur' },
            //{ validator: validaePass }
          ],
          checkPass: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            //{ validator: validaePass2 }
          ]
        },
        errMsg: "",
        showErr: false,
        checked: true
      };
    },
    methods: {
      getMenuTree(){
          let para = {
            parentId: 'ROOT'
          };
          getSysMenuTree(para, this.$router).then((res) => {
              var treeData = res.list;
              sessionStorage.setItem('menu', JSON.stringify(treeData));
              
              if(this.$router.options.routes.length > 3){
                  this.$router.options.routes.splice(3, this.$router.options.routes.length);
              }
              var menuRoutes = this.generateRoutes(treeData);    
              menuRoutes.push({
                  path: '*',
                  hidden: true,
                  redirect: { path: '/404' }
              });
              for(var i=0; i<menuRoutes.length; i++){
                  this.$router.options.routes.push(menuRoutes[i]);
              }
              this.$router.addRoutes(menuRoutes);
              this.$router.push({ path: '/main' });
          });
      },
      generateRoutes(data){
          var routeArr = [];

          for(var i=0; i<data.length; i++){
              let routeObj = {};
              routeObj.name = data[i].label;
              routeObj.iconCls = data[i].iconCls;
              if(data[i].children && data[i].children.length > 0){
                  routeObj.path = '/';
                  routeObj.component = (resolve) => require(['./Home.vue'], resolve);
                  routeObj.children = this.generateRoutes(data[i].children);
              }else{
                  routeObj.path = data[i].path;
                  routeObj.component = function(path){return (resolve) => require(['.' + path + '.vue'], resolve);}(data[i].path)
              }
              
              routeArr.push(routeObj);
          }

          return routeArr;
      },
      generateModule(path){
          return (resolve) => require([path], resolve);
      },
      handleReset2() {
        this.$refs.ruleForm2.resetFields();
      },
      handleSubmit2(ev) {
        var _this = this;
        this.$refs.ruleForm2.validate((valid) => {
          if (valid) {
            //_this.$router.replace('/table');
            this.logining = true;
            //NProgress.start();
            var loginParams = { usercode: this.ruleForm2.account, password: this.ruleForm2.checkPass };

            login(loginParams, this.$router).then(res => {
              this.logining = false;
              if (!res.success) {
                this.$message.error(res.msg);
              } else { 
                sessionStorage.setItem('user', JSON.stringify(res.object));
                
                this.getMenuTree();
                
              }
            });
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      }
    }
  }

</script>

<style lang="scss" scoped>
  .login-container {
    /*box-shadow: 0 0px 8px 0 rgba(0, 0, 0, 0.06), 0 1px 0px 0 rgba(0, 0, 0, 0.02);*/
    -webkit-border-radius: 5px;
    border-radius: 5px;
    -moz-border-radius: 5px;
    background-clip: padding-box;
    margin: 180px auto;
    width: 350px;
    padding: 35px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    box-shadow: 0 0 25px #cac6c6;
    .title {
      margin: 0px auto 40px auto;
      text-align: center;
      color: #505458;
    }
    .remember {
      margin: 0px 0px 35px 0px;
    }
    background-image: url(../../static/timg2.jpg);
    background-size: cover;
  }

  .loginDiv {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url(../../static/timg1.jpg);
    background-size: cover;
  }
  
</style>